The Eldar are a pretty easy army to beat the hell out of with a moving ork force. They've got a few decent advantages on their side such as cheap points costs and the ability to shoot alot but orks in transports backed up by a heavy looted vehicle and some cannon fodder will lay waste to these poor space elf wanna be punks. Some things on fighting the eldar:
As of now I've decimated every Eldar army I've played. Play smart, get some troops across the board fast and you'll have no troubles. Get stuck on your side of the board and you're dead. Jerry Wayne Odom Jr. - 9/01/2003
Update on Fighting the Eldar
In late 2005 I played a tournament and an Eldar player had a number of scouts that caused alot of problems for the Kult of Speed in turn 1. They can cause your orks to have problems taking off and therefore take away a deal of your fast attack ability. This is bad because they're pretty shootie and can take you out!